package com.huitone.gddw.utils;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * 
 * @author wuluodan
 *
 */
@Component
public class SpringContextUtil implements ApplicationContextAware {

	private static ApplicationContext applicationContext; // Spring应用上下文环境

    /*
     * 实现了ApplicationContextAware 接口，必须实现该方法
     * 通过传递applicationContext参数初始化成员变量applicationContext
     */

	public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
	   SpringContextUtil.applicationContext = applicationContext;
	}
	
	public static ApplicationContext getApplicationContext() {
	   return applicationContext;
	}
	
	@SuppressWarnings("unchecked")
	public static <T>T getBean(String name) throws BeansException {
	   return (T)applicationContext.getBean(name);
	}
	
}
